#!/usr/bin/python3
def main():
    print("这是e02")
    print("wang is a good man")
    i = int(input("请输入你的年龄："))
    if i < 0:
        print("年龄不合法！！！")
    else:
        print("wang的年龄为：%d"%(i))

if __name__ == "__main__":
    main()
